Ablation type |
|
|
|
0.02 |
RF ablation |
251 (81.8) |
109 (87.9) |
142 (77.6) |
|
Cryoballoon ablation |
56 (18.2) |
15 (12.1) |
41 (22.4) |
|
Index ablation |
218 (71) |
85 (68.5) |
133 (72.7) |
0.43 |
Cardioversion pre-ablation |
228 (74.3) |
105 (84.7) |
123 (67.2) |
<0.01 |
Time of cardioversion pre-ablation (months) |
3 (2–8) |
3 (1.7-9.2) |
3
(2-8) |
0.77 |
Ablation strategy |
|
|
|
0.03 |
PVI only |
199 (64.8) |
68 (54.8) |
131 (71.6) |
|
PVI and roof line |
26 (8.5) |
11 (8.9) |
15 (8.2) |
|
PVI and mitral line |
3 (1) |
2 (1.6) |
1 (0.5) |
|
PVI and focal ablation |
10 (3.3) |
6 (4.8) |
4 (2.2) |
|
PVI and combo/other |
49 (16) |
24 (19.4) |
25 (13.7) |
|
PVI with posterior box lesion |
20 (6.5) |
13 (10.5) |
7 (3.8) |
|
Rhythm at ablation |
|
|
|
<0.01 |
Sinus rhythm |
183 (59.6) |
0 (0) |
183 (100) |
|
Atrial fibrillation |
97 (31.6) |
97 (78.2) |
0 (0) |
|
Atrial flutter |
27 (8.8) |
27 (21.8) |
0 (0) |
|
Time to recurrence (months) |
5 (3-7) |
4 (3-7) |
5 (3-7.5) |
0.07 |
AAD after ablation in patients with recurrence |
102 (33.2) |
43 (34.7) |
59 (32.2) |
0.92 |
Cardioversion after ablation in patients with recurrence |
80 (26.1) |
43 (34.7) |
37 (20.2) |
0.02 |
Type of recurrence |
|
|
|
0.80 |
Atrial fibrillation |
93 (30.3) |
34 (27.4) |
59 (32.2) |
|
Atrial flutter |
28 (9.1) |
12 (9.7) |
16 (8.7) |
|
Atrial tachycardia |
1 (0.3) |
0 (0) |
1 (0.5) |
|
Atrial fibrillation/ Atrial flutter |
8 (2.6) |
3 (2.4) |
5 (2.7) |
|
Repeat ablation |
111 (36.2) |
45 (36.3) |
66 (36.1) |
0.96 |